Spot the difference

Exercise and reference answers

Questions

1. Answer

   5

   Question

   AP: 7, 12, 17, ... What is the common difference?

2. Answer

   7

   Question

   AP: 40, 33, 26, ... Each term drops by how much?

3. Answer

   20

   Question

   What is the 10th term of 2, 4, 6, ...?

Instructions

Work out the value, key it in, then press enter.

Explanation